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Which one of the following ores is best concentrated by frothflotation method?

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asked Mar 30, 2018 in Chemistry by paayal (26,720 points) ● 4 ● 6 ● 45

Which one of the following ores is best concentrated by frothflotation method?

(a) Magnetite 

(b) Cassiterite

(c) Galena 

(d) Malachite.

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answered Mar 30, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Apr 1, 2018 by Vikash Kumar
 
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(c) : Froth-flotation method is used for the concentration of sulphide ores. The method is based on the preferential wetting properties with the frothing agent and water. Here galena (PbS) is the only sulphide ore.

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